Two digit numbers have two numbers, one is the ones place and another in the tens place. Subtracting two digit numbers is fun. We have made it even much more fun with the zombie game. It is an interactive online game for students in varied grades. It is a Halloween themed game and students will love it as a classroom activity. This video game will work on computers, tablets and phones. The phone experience is not the best hence we encourage students to use tablets or computers. Review more on subtraction of two digits with printable tests in the worksheets section. For first grade, second grade, third grade, fourth grade, fifth grade students.